每一个未知词作为验证码呈现给不同用户数次，确保它被正确辨认。

Each unknown word is presented as a CAPTCHA several times, to different users, to ensure that it has been read correctly.

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如果那个已知词汇输入正确，未知词也同样被认为输入正确的话，才能获准进入。

If the known word is entered correctly, the unknown word is also assumed to have been typed in correctly, and access is granted.

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编辑器(语法和VoiceXML)对未知的词做标志，并向您提供一个到lexicon子系统的链接以帮助您构建发音并将其与应用程序存储在一起。

The editors (grammar and VoiceXML) flag the unknown words and provide you a link to the Lexicon subsystem to help you build the pronunciation and store it with the application.

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